From: "Marc-André Lureau" <marcandre.lureau@gmail.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>,
"open list:VIRTIO GPU DRIVER"
<virtualization@lists.linux-foundation.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] virtio-gpu: use src not crtc
Date: Tue, 14 Jun 2016 12:13:50 +0200 [thread overview]
Message-ID: <CAJ+F1CKQNpJ+=i3wq2JDJi8Z+tyK1=wBEmYTE=NfNJ20VKEoDA@mail.gmail.com> (raw)
In-Reply-To: <1464699172-26755-1-git-send-email-kraxel@redhat.com>
Hi
On Tue, May 31, 2016 at 2:52 PM, Gerd Hoffmann <kraxel@redhat.com> wrote:
> Pick up the correct source rectangle from framebuffer.
> Without this multihead setups are not working correctly.
>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Additionally, I had to modify the page_flip() function to take the
plane source coordinates for virgl/3d multihead to work. Feel free to
squash.
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -68,11 +68,16 @@ static int virtio_gpu_page_flip(struct drm_crtc *crtc,
0, 0, NULL);
}
virtio_gpu_cmd_set_scanout(vgdev, output->index, handle,
- crtc->mode.hdisplay,
- crtc->mode.vdisplay, 0, 0);
- virtio_gpu_cmd_resource_flush(vgdev, handle, 0, 0,
- crtc->mode.hdisplay,
- crtc->mode.vdisplay);
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16);
+
+ virtio_gpu_cmd_resource_flush(vgdev, handle,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16,
+ plane->state->src_w >> 16,
+ plane->state->src_h);
> ---
> drivers/gpu/drm/virtio/virtgpu_plane.c | 31 ++++++++++++++++++-------------
> 1 file changed, 18 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index b7778a7..925ca25 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -85,27 +85,32 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
> if (bo->dumb) {
> virtio_gpu_cmd_transfer_to_host_2d
> (vgdev, handle, 0,
> - cpu_to_le32(plane->state->crtc_w),
> - cpu_to_le32(plane->state->crtc_h),
> - plane->state->crtc_x, plane->state->crtc_y, NULL);
> + cpu_to_le32(plane->state->src_w >> 16),
> + cpu_to_le32(plane->state->src_h >> 16),
> + plane->state->src_x >> 16,
> + plane->state->src_y >> 16, NULL);
> }
> } else {
> handle = 0;
> }
>
> - DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d\n", handle,
> + DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", handle,
> plane->state->crtc_w, plane->state->crtc_h,
> - plane->state->crtc_x, plane->state->crtc_y);
> + plane->state->crtc_x, plane->state->crtc_y,
> + plane->state->src_w >> 16,
> + plane->state->src_h >> 16,
> + plane->state->src_x >> 16,
> + plane->state->src_y >> 16);
> virtio_gpu_cmd_set_scanout(vgdev, output->index, handle,
> - plane->state->crtc_w,
> - plane->state->crtc_h,
> - plane->state->crtc_x,
> - plane->state->crtc_y);
> + plane->state->src_w >> 16,
> + plane->state->src_h >> 16,
> + plane->state->src_x >> 16,
> + plane->state->src_y >> 16);
> virtio_gpu_cmd_resource_flush(vgdev, handle,
> - plane->state->crtc_x,
> - plane->state->crtc_y,
> - plane->state->crtc_w,
> - plane->state->crtc_h);
> + plane->state->src_x >> 16,
> + plane->state->src_y >> 16,
> + plane->state->src_w >> 16,
> + plane->state->src_h >> 16);
> }
>
> static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
> --
> 1.8.3.1
>
--
Marc-André Lureau
next prev parent reply other threads:[~2016-06-14 10:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 12:52 [PATCH] virtio-gpu: use src not crtc Gerd Hoffmann
2016-06-14 10:13 ` Marc-André Lureau [this message]
2016-06-14 12:57 ` Gerd Hoffmann
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